there are many differences amongst these models because of what a scientist percieves to be true. One example could include the idea of how large the human population can continue to expand to before hitting carrying compacity. In todays society many scientists actually believe we hit this compacity back in the early 2000s. Secondly global warming and changes in our climate is a huge factor that is growing at a very fast and steady rate than anyone else ever expected.

Mar 22nd, 2015

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